The best months to visit United States Minor Outlying Islands are February and January. See monthly temperatures, rainfall and rain days (1991–2020 averages) to plan your trip.
Average daytime high and monthly rainfall in United States Minor Outlying Islands: January 26°C / 26mm; February 25°C / 25mm; March 26°C / 44mm; April 26°C / 32mm; May 27°C / 36mm; June 28°C / 46mm; July 28°C / 119mm; August 29°C / 169mm; September 29°C / 158mm; October 28°C / 115mm; November 28°C / 54mm; December 28°C / 38mm.